Alkenes - exam practice
Alkenes
Question 1 of 19
1 of 19
Electrophiles are
Question 2 of 19
2 of 19
What is the systematic name of the compound below?

Question 3 of 19
3 of 19
The structure of a stereoisomer is shown below.

Which term correctly describes this stereoisomer?
Question 4 of 19
4 of 19
What is the systematic name for the chlorofluorocarbon compound shown?

Question 5 of 19
5 of 19
But-2-ene reacts with acidified potassium manganate(VII) at room temperature.
The organic product of this reaction is
Question 6 of 19
6 of 19
Which intermediate ion forms in the greatest amount during the addition of HBr to propene?
Question 7 of 19
7 of 19
Polymerisation of ethene gives poly(ethene).
How does the bonding between carbon atoms in poly(ethene) compare with that in ethene?
Question 8 of 19
8 of 19
A section showing two repeat units of an addition polymer is shown.

What is the identity of the monomer that produced this polymer?
Question 9 of 19
9 of 19
Which statement about poly(chloroethene) is correct?
Question 10 of 19
10 of 19
In the reaction between ethene and bromine, the bromine molecule acts as an electrophile.
CH2=CH2 + Br2 ➔ BrCH2CH2Br
Which of the following statements is true?
Question 11 of 19
11 of 19
The mechanism of the reaction between ethene and hydrogen bromide is
Question 12 of 19
12 of 19
Which substance will not give 3-methylpentane when reduced with hydrogen?
Question 13 of 19
13 of 19
Which compound has non-polar molecules?
Question 14 of 19
14 of 19
What is the best description for the bonding between the carbon atoms in an ethene molecule?
Question 15 of 19
15 of 19
A student reacts pent-2-ene with bromine in the laboratory.
Which compound is formed?
Question 16 of 19
16 of 19
This structure shows a section of a polymer chain formed from the random polymerisation of two different monomers.

Which pair of monomers could produce this polymer?
Question 17 of 19
17 of 19
What is the IUPAC name of the major product of the reaction between 2-ethylbut-1-ene and hydrogen bromide?
Question 18 of 19
18 of 19
Sunflower oil can be hydrogenated to form solid fats such as margarine.
What is the most appropriate catalyst for this reaction?
Question 19 of 19
19 of 19
Which statement about an electrophile is correct?